<template>
    <div style="border: 1px solid #ccc">
      <Toolbar
        style="border-bottom: 1px solid #ccc"
        :editor="editorRef"
        :defaultConfig="toolbarConfig"
        :mode="mode"
      />
      <Editor
        :style="{ height: height + 'px', 'overflow-y': 'hidden' }"
        v-model="valueHtml"
        :defaultConfig="editorConfig"
        :mode="mode"
        @onCreated="handleCreated"
      />
    </div>
</template>

<script>
import '@wangeditor/editor/dist/css/style.css' // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted, watch } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
export default {
  components: { Editor, Toolbar },
  props: ["html","height"],
  setup(props) {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()

    // 内容 HTML
    const valueHtml = ref('<p></p>')

    // 模拟 ajax 异步获取内容
    onMounted(() => {
        setTimeout(() => {
            valueHtml.value = props.html || '';
        }, 1500)
    });
	watch(() => props.html, (value, oldValue) => {
		if (value !== oldValue) {
			valueHtml.value = value || '';
		}
	});

    const toolbarConfig = {}
    const editorConfig = { placeholder: '请输入内容...' }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
        const editor = editorRef.value
        if (editor == null) return
        editor.destroy()
    })

    const handleCreated = (editor) => {
      editorRef.value = editor // 记录 editor 实例，重要！
    }

    return {
      editorRef,
      valueHtml,
      mode: 'default', // 或 'simple'
      toolbarConfig,
      editorConfig,
      handleCreated
    };
  }
}
</script>   